73 Magazine September 1969 (#108)
A DX Curtain for 15 Meters - An easy 3-4 db gain for you ...... VE1TG 4
Tunnel Diodes-Theory and Practical Application - Including a one transistor solar powered transmitter ...... K8TSQ 8
The Magic T - Method for running rf transistors in parallel ...... Thorpe 14
Uncle Will and News from the Poudre Valley - In dialect yet ...... K0DVI 19
Basic Soldering Outfit - Good Lord! Another article on soldering! ...... W1EZT 20
Light Naturally Runs Down - A special Scientific American type feature ...... K1CLL 24
Cable Pickup and Shielding - Keeping interference to an absolute minimum ...... W2EEY/1 36
WWV-Pioneer in Standards Broadcasting - Perhaps you've heard the catchy tune they play ...... WA1AAU 39
Basic Theory and Application of Transistors - Something you have always wanted to know ...... WA1FHJ 42
Series Gate, Solid State - Clipper ...... K6ZFV 50
Improving NC-300 SSB Reception - It was good but it can be very good ...... W1OOP 52
AFSK Generator - Crystal controlled, using digital IC's no less ...... W1ESH 53
Transistor Transmitter Aspirin - How to keep from westernizing your transistors ...... K0VQY 64
Improvement of Phone Intelligibility by Base Clipping - Discussion of base clipping ...... Ives 68
Measurement of Meter Resistance - Making it possible to versatilize your meters ...... WA6NIL 72
Diode-Stack Power Supplies-The Easy Way - Instant operation of the Henry 2K and other rigs ...... K6KA 74
Transistor Testing Techniques - Testing with a vom without destruction ...... W9KXJ 76
2 1/2 W Transmitter - Work the world with this three transistor rig ...... K0VQY 78
Neutralizing the HX-10 - Simple way to stabilize this rig ...... W2PQG 80
More Taylor Modulation - Remember that AM is still going strong on VHF ...... DL5KS 84
An Audio Sinusoid Generator - Two IC's ...... W5FOO 88
Capacitor Usage and Electron Flow - Where to use what capacitor and why ...... W0HMK 90
What About FM? - We'll have you on FM within the year ...... W9VZR 96
A Primer on Radio Propagation - If signals really do bounce, this is how it works ...... WA1GEK 98
Measurement of Percentage of Modulation - Of AM transmitters...... Granger 106
Extra Class License Course, Part VIII - let's get cracking ...... Staff 108
Big Signal-Good Looks - 3-400Z kilowatt Linear ...... WA7AIA 124
A New Vidicon Camera for ATV - Isn't it time you tried your hand at ham TV? ...... W8VCO 129
Two More Transistor Testers - Handy jf you by your transistors by the bag full ...... W9DJZ 133
The FETCompressor - Audio compressor using two FET's ...... WA0IOC 139
The Mike Mixmaster - Just like a broadcast station ...... WA2YRF 140
The T-60 Works Just Fine - Part XVII of our Novice Instruction Manual ...... WA1GEK 142
Leaky Lines - Not to be confused with columns in other magazines ...... K2AGZ 144
A Unique RF Plate Choke - Actually it isn't really all that unique ...... W6RET 147
Modification of the ac Input on the SB-200 - Published by popular demand ...... K3KMO 148
Index courtesy of
http://www.qsl.net/kb9mwr/files/ham/73.html.
